The art of anaesthesia . r rebreath-ing oxygen and just enough N20 to control undesirablemovement. The full retarded pulse following a saline isoften misleading, as it is artificial and will soon lose itsquality. It behooves one to get the patient to bed as soon aspossible. If the operative procedure is such that the patientcannot be moved, and if the pulse loses its quality and oncemore becomes rapid, the saline may be repeated in the otherarm. The condition of such a patient is desperate and hisresponse to strychnine and camphor will be unsatisfactory. Where it is inadvisable or impossible t
The art of anaesthesia . r rebreath-ing oxygen and just enough N20 to control undesirablemovement. The full retarded pulse following a saline isoften misleading, as it is artificial and will soon lose itsquality. It behooves one to get the patient to bed as soon aspossible. If the operative procedure is such that the patientcannot be moved, and if the pulse loses its quality and oncemore becomes rapid, the saline may be repeated in the otherarm. The condition of such a patient is desperate and hisresponse to strychnine and camphor will be unsatisfactory. Where it is inadvisable or impossible to give an intra-venous injection, the fluid may be given by hypodermocly-sis, under the loose tissues of the breast (Fig. 6-4), whichmethod is very satisfactory. The Trendelenburg positionwill improve the pulse; the opposite will weaken it. Sudden stoppage of the heart is fortunately rare withether; such a condition not responding to artificial respira-tion may be handled by the method described by Abrams. 118 ANESTHESIA. Fig. 04. —Hypodermoclysid. THE SIGNS OF ANESTHESIA 119 This is called Kuatzu or the Japanese method of restoringlife, and is a definite method of resuscitation used byjiu-jitsu adepts. The patient is placed in the proneposition with arms extended sideways; the operator withhis wrist lands severely on the seventh cervical vertebrawith the regularity of a carpenter wielding a stimulation is thought to act by overcoming the vagusinhibition responsible for the cessation of the hearts hypodermic injection of 1 100 gr. of atropinedirectly in the heart has been suggested and found valuablein some cases. Direct massage of the heart, when theabdomen is open, will also prove beneficial at times. CHAPTER IV ETHER ANAESTHESIAGENERAL CONSIDERATIONS Ether, sulphuric ether, ethyl oxide or vinous ether isa very volatile fluid possessed of a suffocating odor and ahitter taste. It is colorless, about two and one half times asheavy as air and boils at bo
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